Oregon’s Integrated Pest Management Center serves as an innovative pest management hub for growers Article and photos By Silvia I. Rondon Since the early 1960s, the Oregon Integrated Pest Management (IPM) Center has accumulated a rich history of leading and coordinating multistate research and outreach programs to help a broad audience in the agricultural and […]
April 2023: The Trees Issue
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The April 2023 issue of Digger looks at the business of growing big trees. Columns: Departments: Download a PDF of this issue. Please send your comments on the issue to editor Curt Kipp at [email protected].
Going with the flow
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Research on plant hydraulics helps explain the effect of drought stress on shade trees By Sadie Keller, Rebecca Sheridan, Scout Dahms-May, Carolyn Scagel and Lloyd Nackley In Oregon’s Willamette Valley, the heart of the nursery industry, rainfall is scarce during the summer and humidity is low. The plant stress resulting from the low soil moisture, […]
The tribulations of big trees
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Growing bigger trees that will flourish in a changing climate takes a long-game approach For decades, tree-lined streets across the country — largely in the Southeast — would erupt in the bright white blossoms of Callery pear trees (Pyrus calleryana) every spring. Affordable, fast-growing and easily shipped, the trees had become the darlings of landscapers, […]
The eternal appeal of oaks
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Original species have stood the test of time and still sell well, while new smaller columnar hybrids of Quercus are coming on strong With fossils found as old as 55 million years, oaks have been entwined with human history since it began. Because of their longevity and massive proportions, the largest oak species in the […]
Diversifying the tree palette
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In response to climate change, growers have become more conscientious about offering a mix of natives and clonal selections When he began working in urban forestry more than 20 years ago, Scott Altenhoff and his team would refer to a list of trees known to be strong performers in different conditions. “We would call them […]
Meet the Leader: Angela Bailey
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Tell us about yourself. My husband, Larry, and I own and operate Verna Jean Nursery. I am proud to be a fourth-generation farmer and second-generation OAN member. After my mom’s passing in 2005, Larry and I, along with our two daughters, Katie and Abbigayle, returned to the nursery. Today, we farm on the same land […]
Putting a new spinney on an old word
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Different industries have their own language. Often a word, or a combination of words, has a different meaning to those who know the jargon. For example, a television crew might say that they are going to “shoot” in a garden, but the word “shoot” in this connotation does not refer to a gun, but instead […]
March 2023: Water Outlook 2023
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The March 2023 issue of Digger takes a deep dive into the nursery industry’s use of water, the essential input for the propagation and growth of plant material. Columns: Growing Knowledge, an ongoing series provided by Oregon State University in collaboration with the USDA and in partnership with OAN. Download a PDF of this issue. Please […]
High times for low-water plants
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Retail garden centers increasingly turn to drought-tolerant varieties that beat the heat The summer of 2015 was a turning point in the Northwest, which suffered the longest heat wave in 75 years. Portland had more days above 90 degrees Fahrenheit than any other year in recorded history up to that time. That year marked a […]
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